Furuno 1823C-BB Operator's Manual page 175

Contents of radar display setup menu (con't from previous page)
Item
Background Chooses colors of background,
Color range rings and characters.
Effective when C:HUE soft key is
set for MANUAL.
Echo Color Chooses echo color.
2ND Echo Reduces second-trace echoes. See
Rejection the paragraph "2.24 Suppressing
Second-trace Echoes."
Watchman Sets watchman stand-by period.
Time For further details see the
paragraph " 2.23 Watchman."
Range Unit Select unit of range measurement.
Trail Mode Sets echo trail reference.
Note: Relative trail is available in all
presentation modes except true
motion. True trail is available in all
modes.
Description
offered by Busse-Yachtshop.de
5. CUSTOMIZING YOUR UNIT
Settings
Black/Green
Background: Black
Rings: Green
Characters: Green
Black/Red
Background: Black
Rings: Green
Characters: Red
Blue/White
Background: Blue
Rings: White
Characters: White
DK Blue/White
Background: Dark Blue
Rings: Green
Characters: Red
White/Green
Background: White
Rings: Green
Characters: Green
Yellow, Green,
Multi-color. (Multi-color shows echoes
in red, yellow or green in order of
descending strength.)
On, Off
5, 10, 20 minutes
nm, km, sm
True: Echo trails plotted in actual
courses and speeds. Requires
compass signal and speed input.
Relative: Echo trails move relative to
own ship.
5-5